2016????????

admin

???2015??????????????

2015??????????????

???2016?????????????(???)

2016?????????????

???????????????????????????????2???20??

1??2???2016??????????????? ?

A?0 B??1 C?D?

2??2???2016????????4???????????????????????????? ?

A?B?C?D?

3??2???2016???????2016?????????????????????????????????5400000???????5400000?????????? ?

7567A?0.54�10B?54�10C?5.4�10D?5.4�10

4??2???2016??????????????????P??????y=?x?0????????????P?PA?x???A?PB?y???B?????OAPB????3??k???? ?

A?3 B??3 C?D??

5??2???2016????�??????????????�?????? ?

A????? B????? C?????? D??????

6??2???2016????????????? ?

448326236322A?x+x=2xB?x?x=xC??xy?=xyD??x?y??y?x?=x?y

7??2???2016???????????3?4?6?7?8?8?????????? ?

A????2 B????8 C?????6 D?????7

28??2???2016??????????x?4x=12???? ?

A?x1=2?x2=?6 B?x1=?2?x2=6 C?x1=?2?x2=?6 D?x1=2?x2=6

9??2???2016????????Rt?ABC???C=90�??B=30�?AB=8??BC???? ?

A?B?4 C?8D?4

210??2???2016??????????????????y=x+2x?3?????????

A?x1?y1??B?x2?y2?????????????????3?x1?x2?0??????????? ?

A?y1?y2B?y1?y2

C?y??????3 D?y??????4

?????????3???18??

211??3???2016?????????2x?4x+2=?

12??3???2016???????????????540�???????????

13??3???2016????????1????m+1

?=

?

14??3???2016????????????n???????????????

15??3???2016??????????????A?B?C???C???A?B?????????????A?B???????????????C??????????????C?????????????C????y?km????????t?h??????????????????h??????350km?

16??3???2016????????Rt?ABC???A=90�?AB=AC?BC=20?DE??ABC??????M??BC????BM=3??N???MC?????????DN?ME?DN?ME????O???OMN????????DO???

?????

17??6???2016??????????4?+|3?tan60�|??0?+?2?

18??8???2016???????????????????�????�????????????????????????????????A?B?C??????????????A?B?C?????????3??????????????????3?????????????????????????????????????????????????????????????????????????????????????????????????

?1??????????????

?2???????????????????????????????????

19??8???2016????????ABC??ABD??E??AB??CE?BD???DE????

?1??CEB=?CBE?

?2????BCED????

20??8???2016???????????????????????????????????????????????????????????????m???????????????????????????????????????????????????????

?1?m=?n=?p=?

?2??????????????????

?3????????????????2000?????????????????

21??8???2016?????????ABC???AB?????O???BC?AC????D?E?BD=CD???D??O?????AC??F?

?1????DF?AC?

?2???O????5??CDF=30�????????????

22??10???2016????????????????????????A?B?????????????A?B??????????????????310??460??????????????????

?1????A?B??????????50???????20000???A?B???????????????

?2????A?B??????????50????????18000???A????????????????

23??10???2016??????????????????AOB???O???????A?????4?0???B?????0?1???C??AB???????OBDE???E?x?????????CO?CD?CE?

?1???OC????

?2?????CBD??COE?

?3?????OBDE?x???????????O1B1D1E1????O?B?D?E????????O1?B1?D1?E1???CD?CE???E?????a?0????a?2??CD1E1????S?

??1?a?2???????S?a?????????

?????????S=???????a???

24??12???2016??????ABC??AB=6?AC=BC=5???ABC??A????????????ADE???????0�???180�???B??????D??C??????E???BD?BE?

?1??????=60�????BE?AD??F?

?????ABD???????

????BF?AD?AF=DF?

??????BE???

?2??????????D?DG?????AB?????G???CE???DAG=?ACB????DG???AE???????????BE+CE???

?????????????????????????????

25??12???2016???????????????????OCDE???C?E???y??????x???????OC=8?OE=17????y=x?3x+m?y?????A?2

????????x?????B??CD???K?

?1????OCDE?AB????O?????CD???F??

??B???????BK????CK????

???F????

????????????????

?2????OCDE?????E???????O?????CD???G????OG????OG????H??M???EH??????????H??????MG?MO???G?GP?OM??P??EH??N???ON??M??E?????EH??H??????N???????MOG??NOG????????S1?S2???M???????S1?S2??S1?S2???????????????????????????????????????

?????????????????????????????

???2016?????????????

2016?????????????

??????????8??????3???24?

1??3?????? ?

A? B? C?3 D??3

2?????????????1?5???????? ?

A????? B????? C????? D?????

3???2x+3=7???? ?

A?x=5 B?x=4 C?x=3.5 D?x=2

4??????AB?CD?AE???CAB?AE?CD????E??ACD=40�???BAE????? ?

A?40� B?70� C?80� D?140�

5?????????? ?

A?x??2 B?x?1 C??1?x?2 D??2?x?1

6?????????????????????????????1?2?3?4????????????????????????????????????4????? ?

A? B? C? D?

7????????????100????????????????????????x?????????????????? ?

A?100?1+x? B?100?1+x?2C?100?1+x2? D?100?1+2x?

8????????????????????????????cm?? ?

A?40?cm2B?65?cm2C?80?cm2D?105?cm2

??????????8??????3???24?

9??????x2?3x=?

10???????y=???????1??6???k

???

?

11??????ABC??A????????ADE??C??E???????CAE=90�?AB=1??BD=?

12??????????????????

??????????????????

13???????ABCD??AB=5?AC=8?????????

14????x???2x2+x?a=0??????????????a???????

15????????????P????30�???????18???A??????????????????????P????55�????B?????????P????????????????????sin55�?0.8?cos55�?0.6?tan55�?1.4??

16???????y=ax2+bx+c?x?????A?B?m+2?0??y?????C??D???????????m?c????A?????

??????????4???17?18?19?9?20?12???39?

17????? +1???1?+??2?0??

? 18??????????2a+b?2?a?4a+3b????a=1?b=

19????BD??ABCD?????AE?BD?CF?BD??????E?F????AE=CF?

20???????????????????????????????????????????????????????

?????????????

?1???????4.0?x?6.5??????????6.5?x?9.0???????????????????%?

?2??????????????????9.0?x?11.5???????????????????%?

?3??????????????

?4???????200???????????????9.0??????

??????????3???21?22?9?23?10???28?

21?A?B????200??????A???????B???????B???????A????????A?80????????????????30?????????????

22???????y=x2?3x+?x????A?B????y?????C??D???BC???????????D?y?????????BC????E

?1????BC?????

?2????DE?????????D????

23????AB??O?????C?D??O???A=2?BCD??E?AB???????AED=?ABC

?1????DE??O???

?2??BF=2?DF=???O????

??????????3???24?11??25?26?12???35?

24???1??ABC???C=90�???DE???BC???DE=AC???DE???BC????????D??B????D???C????????D?DF=DB????BA????F???E?BC???????BA????G??BD=x????DEGF??ABC????????S?S??x???????2?????0?x?m?1?x?m?m?x?3???????????

?1????BC????

?2??S??x??????????x??????

25????????

?????????????1??ABC??AB=AC??D?BC????DAB=?ABD?BE?AD????E????BC=2AE?

??????????A?AF?BC????F????AFB=?BEA??????ABF??BAE???2??????????

?1???????????ABF??BAE?????? AAS??�SSS�?�SAS�?�ASA�?�AAS�?�HL�?????

???????????????????

?2???3??ABC??AB=AC??BAC=90�?D?BC????E?DC?????F?AC????????CDF=?EAC??CF=2??AB???


?2016????????????????
?????http://www.850500.com/news/61136.html
?????,??!